DP Chemistry (last assessment 2024)

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Question 18M.3.sl.TZ1.10a

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.3.sl.TZ1.10a
Level sl Paper 3 Time zone TZ1
Command term Identify Question number a Adapted from N/A
a.
[Maximum mark: 1]
18M.3.sl.TZ1.10a

The increased concentration of carbon dioxide in the atmosphere is thought to result from the increased combustion of fossil fuels such as petroleum.

(a)

Identify an element, other than carbon and hydrogen, found at significant concentrations in fossil fuels.

[1]

Markscheme

nitrogen/N

OR

oxygen/O

OR

sulfur/S

 

Accept “phosphorus/P”.

[1 mark]

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